About Greiner

Patty Greiner founded Greiner Heating, Air, and Electric on their core principles of honesty, care and patriotism. Greiner Heating, Air, and Electric is not just another contractor in the area – we are fully involved in the community. Our deep commitment to the region and its people extends to Davis, Winters, Fairfield, Vacaville, Dixon and Woodland. In every office and truck you’ll find the same kind of well-mannered team members who use an in-depth, relationship-building approach to home performance services.

Read about our COVID-19 special process here.




We’re here to help with all your home performance needs.

What you get with Greiner Heating, Air, and Electric:
  • 100% focus on residential work
  • Complete honesty in all phases of the job
  • The region’s best HVAC installations
  • Efficiency with your investment
  • Happy employees and technicians who make your life easy
Our capabilities include:
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